CakePHP3 Cache::read() keys inside groups can't be read

Hi everyone i work with cakephp3 and i have implemented the cache from doc here is my cache configuration using groups

 Cache::config('users', [
        'className' => 'File',
        'duration' => '+1 hours',
        'path' => CACHE,
        'serialize' => true,
        'groups' => ["users_$groupId"]

And here is my key is created in a folder whose name is the name of the group


Now the prob is when i want to read the key using


Doest not work because the key is stored in the folder inside Cache folder

NB: When I haven’t used the groups in the cache it works well, I can read my key because the key is stored directly in the cache folder.

Thanks for any help.